MACHINES USED CATEGORY DEFINITION APPLICATIONS: SURFACE FINISHING MATERIALS: SIZE RANGE: GRIT RANGE: ABRASIVE GRAIN: ATTACHMENT: BACK-UP PADS:

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1 CATEGORY DEFINITION Merit and Norton non-woven discs are a combination of strong synthetic mesh and quality abrasives, bonded together by a smear-resistant adhesive. They are ideal for use on portable tools to clean and remove imperfections on metal surfaces, clean, deburr or finish a variety of surfaces, blend weld seams, or create decorative finishes. The open construction of the non-woven material enables aggressive cutting action and improved surface finish while maintaining its non-loading feature. APPLICATIONS: SURFACE FINISHING MATERIALS: SIZE RANGE: GRIT RANGE: ABRASIVE GRAIN: ATTACHMENT: BACK-UP PADS: Medium-light stock removal, beveling, deburring/deflashing, rust removal, blending, cleaning and finishing, polishing Surface Stripping, Surface Deburring & Blending, Surface Preparation, Buffing, Felt Polishing 3/4" 8" diameter X-Coarse, Coarse, Medium, Fine, Very Fine Ceramic Alumins, Aluminum Oxide, Silicon Carbide Quick-Change Type TS (Type II), Type TR (Type III), and Type TP (Type I), Hook and Loop, and Arbor Hole Rubber with hardness variations for different applications QUICK-CHANGE ATTACHMENT SYSTEMS AND CROSS REFERENCE GUIDE Type TS (Type II) Features a turn-on/turn-off style fastener Fastener is made of metal Equivalent to Standard Abrasives SocAtt locking system Type TR (Type III) Features a roll-on/roll-off style fastener Fastener is made of plastic Equivalent to 3M Roloc fastening system Type TP (Type I) Snap-on/snap-off system which enables you to change discs quickly and safely, reducing downtime and operating expenses Fastener is made of nylon Type II Type III Type I TS TR TP 3M Roloc TS/TSM Roloc TR Roloc TP Standard TS (SocAtt) TR (Lockit) TP (ClickOn) Superior Type S Type R Arc Type S Type R Type P Pferd Type CD Type CDR Sait SAIT-LOK SAIT-LOK-R Camel Turn On Roll On Klingspor QMC QRC Garryson Type S Type R APPLICATION/GRIT RECOMMENDATION GUIDE MOST AGGRESSIVE POWERSTRIP LEAST AGGRESSIVE DEBURRING & BLENDING AG, GD SURFACE PREP GD, XC SURFACE PREP HS BUFFING, BUFFING FELT POLISHING BLAZE RAPID STRIP RAPID STRIP VORTEX RAPID BLEND VORTEX & NEX DEBURRING & BLENDING STE-CS, STE-VS SURFACE PREP STE-VS, STE SURFACE PREP SCALE REMOVAL STOCK REMOVAL HEAVY DEBURRING LIGHT DEBURRING LIGHT FINISHING BLENDING CLEANING FINISHING POLISHING 144 NORTON THE MUSCLE BEHIND THE MACHINE

2 CROSS REFERENCE GUIDE STRIPPING HEAVY/LIGHT DEBURRING LIGHT DEBURRING/BLENDING/CLEANING/FINISHING POLISHING BEST GOOD BEST BETTER BEST BETTER GOOD GOOD GOOD PowerStrip Deburring & AG Surface GD Surface XC Surface HS Buffing Felt Polishing Blending Prep Prep Prep Buffing Blaze Rapid Strip Vortex Rapid NEX Deburring STE-CS STE-VS STE Surface Rapid Strip Blend & Blending Surface Prep Surface Prep Prep Vortex Deburring & Blending 3M Clean & Strip EXL Unitized Surface Surface Surface Cond Clean Strip XT Cond SL Cond SE Standard Cleaning Disc FE GP RC Buff & Blend Felt Polishing Series Unitized - HS Buff & Blend Fiberal/SIA Meteor Type B Type C Superior Type R XL Unitized FD GD CC HS, HD A/O F LT Arc Arcstrip Surface Cond Blend & Finish Pferd Policlean Finishing Disc Finishing Disc Felt Discs - Hard - Soft Sait SAIT-Strip Heavy Duty General Sand-Light Buffing Disc Purpose Blending Camel EZ Strip - Black Klingspor Strip-It Black Garryson Surface Cond Bibielle BUR Unitized DCR ABRASIVE/GRIT/DENSITY KEY ABRASIVE S/C SHARPER, FINER/BRIGHTER SCRATCH PATTERN A/O MORE DURABLE, LONGER LASTING, POLISHED FINISH GRIT SIZE XC (24-36) C (50-80) M ( ) F ( ) VF ( ) FASTER, AGGRESSIVE CUT, ROUGHER FINISH REDUCED CUT RATE, FINER FINISH DENSITY 2 9 SOFT, OPEN, CONFORMABLE, LESS BURNING/LOADING HARDER, MORE DURABLE, FASTER CUTTING, BETTER FINISH Quick-Change Surface Stripping Discs Surface Stripping material provides a unique combination of aggressive performance, long life and improved finish. It is ideal for removing coatings on a variety of substrates, such as wood, metal and plastics. Incorporated with extruded nylon fibers, flexible resin technology, and extra-coarse abrasive grains, these discs outperform traditional coated abrasive products, leaving a thoroughly cleaned surface, which ensures excellent adhesion in subsequent processes such as coating, painting and soldering. NEW! Blaze Rapid Strip: 2X as substantial as competitive discs; lasts 2X (plus) as long. Stiff enough to stand abuse; soft enough to prevent gouging and rework. Apply some pressure to strip/remove coatings; lighter pressure finishes like a surface finishing disc. Will not load on sticky coatings, adhesives, and soft metals, or snag and shed like a lantuk or fiber disc. TIER: BEST BETTER GOOD GOOD BRAND: Norton Norton Merit Merit TRADENAME: BLAZE RAPID STRIP RAPID STRIP POWERSTRIP POWERSTRIP ABRASIVE: Ceramic Alumina Silicon Carbide Silicon Carbide Silicon Carbide GRADE: XC XC XC XC ATTACHMENT: TR (Type III) TR (Type III) TS (Type ll) TR (Type III) DIAMETER MAX. RPM STD. PKG. PART NO. STD. PKG. PART NO. PART NO. PART NO. 2 x 1/2 15, x 1/2 12, x 1/2 8,

3 Deburring & Blending Discs VORTEX RAPID BLEND DISCS REVOLUTIONARY TECHNOLOGY FOR HEAVY DEBURRING AND FINISHING FEATURES Proprietary Vortex aluminum oxide aggregate grain Special resin chemistry 3D construction: abrasive is distributed throughout the entire conformable disc (top, bottom and side) BENEFITS Performs the medium and very-fine grit steps of traditional discs in an easy one-step operation Resists shedding when used on sharp edges, making it ideal for deburring All three faces can be used versus competitive discs one bottom layer of abrasive 3-8 times the life of competitive surface blending discs Fewer safety, ergonomic, and environmental issues due to fewer change-outs, less downtime, and less production waste/landfill scrap No smearing because edge has no scrim TIER: BEST BEST BEST BETTER GOOD BRAND: Norton Norton Norton Norton Merit TRADENAME: VORTEX VORTEX VORTEX NEX DEBURR/BLEND RAPID BLEND RAPID BLEND DEBURR/BLEND DEBURR/BLEND ATTACHMENT: TR (Type III) TS (Type II) TR (Type III) TR (Type III) TR (Type III) SIZE ABR. GRIT DENSITY MAX. STD. (D X T) RPM PKG. PART NO. PART NO. PART NO. PART NO. PART NO. 1 x 1/4 A/O M 1 35, NS 1-1/2 x 1/4 A/O M 1 30, NS 2 x 1/8 A/O C , A/O M , A/O M , A/O M , S/C F 2 22, S/C F 3 22, S/C F , x 3/16 A/O M , x 1/4 A/O C , A/O M 1 22, A/O M , A/O M , A/O M , S/C F , S/C F , x 1/8 A/O C , A/O M , A/O M , A/O M , A/O F , A/O F 4 15, A/O F 6 15, x 3/16 A/O M , x 1/4 A/O C , * A/O M 1 18, A/O M , * A/O M , * A/O M , * A/O F , * A/O F , * S/C F 2 15, S/C F 3 15, S/C F , * * MERIT DEBURR/BLEND STD. PKG. = 20 DISCS NS = NON-STOCK Refer to the end of this section for a list of quick-change back-up pads. 146 NORTON THE MUSCLE BEHIND THE MACHINE

4 Surface Preparation Stars The perfect item for I.D. work Their shape penetrates the I.D. and polishes or cleans the surface without disturbing any tolerances Attach their 1/4-20 eyelets to Merit s MM20-4 mandrel. Part No (See description at end of Overlap Slotted Disc Section.) GOOD TIER: BRAND: Merit TRADENAME: AG ABRASIVE: A/O ATTACHMENT: 1/4-20 SIZE (D X EYELET) GRIT STD. PKG. PART NO. 1-1/2" x 1/4-20 C M VF " x 1/4-20 C M VF " x 1/4-20 C M VF " x 1/4-20 C M VF Surface Preparation Discs Norton Surface Preparation Discs Norton STE-CS Aggressive, very sharp abrasive, closed structure; work best on harder materials, and low- and high-force applications Norton STE-VS Slightly open structure, firm backing; great multi-purpose discs; work well on a variety of materials Norton STE More open structure, flexible backing; excellent on soft materials and low-force applications TIER: BEST BEST BETTER BETTER GOOD GOOD BRAND: Norton Norton Norton Norton Norton Norton TRADENAME: STE-CS STE-CS STE-VS STE-VS STE STE ABRASIVE: A/O A/O A/O A/O A/O A/O ATTACHMENT: TS (Type II) TR (Type III) TS (Type II) TR (Type III) TS (Type II) TR (Type III) SIZE (D) GRIT STD. PKG. PART NO. PART NO. PART NO. PART NO. PART NO. PART NO. 2" XC C M VF " XC C M VF " C M VF PACKAGING STANDARDS: 2" STE TR DISCS STD. PKG. = 25 REFER TO THE END OF THIS SECTION FOR A LIST OF QUICK-CHANGE BACK-UP PADS Refer to the end of this section for a list of quick-change back-up pads

5 Surface Preparation Discs Merit AG Surface Preparation Discs AG Aggressive, very sharp abrasive, closed structure; work best on harder materials, and low- and high-force applications TIER: BEST BEST BEST BRAND: Merit Merit Merit TRADENAME: AG AG AG ABRASIVE: A/O A/O A/O ATTACHMENT: TS (Type II) TR (Type III) 5/8-11 SIZE (D) GRADE STD. PKG. PART NO. PART NO. PART NO. 2" C M " C M " C M " C M Merit GD & XC Surface Preparation Discs GD Slightly open structure, firm backing; great multi-purpose discs; work well on a variety of materials XC More open structure, flexible backing; excellent on soft materials and low-force applications TIER: BETTER BETTER BETTER GOOD GOOD GOOD GOOD BRAND: Merit Merit Merit Merit Merit Merit Merit TRADENAME: GD GD GD XC XC XC XC ABRASIVE: A/O A/O A/O A/O A/O A/O A/O ATTACHMENT: TS (Type II) TR (Type III) TP (Type I) TS (Type II) TR (Type III) TP (Type I) 5/8-11 SIZE (D) GRIT STD. PKG. PART NO. PART NO. PART NO. PART NO. PART NO. PART NO. 3/4" C M VF " C M VF /2" C M VF " C M VF " C M VF " C M VF " C M VF " C M F Refer to the end of this section for a list of quick-change back-up pads. 148 NORTON THE MUSCLE BEHIND THE MACHINE

6 Buffing/Polishing Discs Merit Buffing Discs Tough, yet conformable, high-strength discs are smear-proof and resist tearing on burrs and sharp edges Designed for light removal of paint or rust without affecting the base product TIER: BETTER BETTER GOOD GOOD GOOD BRAND: Merit Merit Merit Merit Merit TRADENAME: HIGH-STRENGTH HIGH-STRENGTH BUFFING BUFFING BUFFING ABRASIVE: A/O A/O A/O A/O A/O ATTACHMENT: TS (Type II) TR (Type III) TS (Type II) TR (Type III) TP (Type I) SIZE (D) GRIT STD. PKG. PART NO. PART NO. PART NO. PART NO. PART NO. 1-1/2" C M F VF " C M F VF " C M F VF " C M F VF Merit Felt Polishing Discs Made from a white, nonabrasive, felt material for final polishing applications Can be used with or without polishing compounds TIER: BRAND: TRADENAME: ABRASIVE: ATTACHMENT: GOOD Merit FELT POLISHING Non-Abrasive TR (Type III) SIZE (D) STD. PKG. PART NO. 2" " Quick-Change Back-up Pads TS (TYPE II) TR (TYPE III) TP (TYPE I) Hard density pads are for aggressive cutting action Medium density pads are for all-purpose applications Soft density pads are used for contours and fine finishing work Refer to the end of the Coated Abrasive Quick-Change Discs section for a complete list of back-up pads and mandrels. DIAMETER MAX. RPM DENSITY TS (TYPE II) TR (TYPE III) TP (TYPE I) QUICK-CHANGE BACK-UP PADS 9/16" 40,000 Medium /4" 40,000 Medium " 40,000 Medium /2" 30,000 Hard Medium " 30,000 Hard Medium Soft " 20,000 Hard Medium Soft " 15,000 Medium ALL QUICK-CHANGE BACK-UP PADS HAVE A 1/4" DIAMETER SHANK. STD. PKG. =

7 Non-Woven Hook and Loop Discs STE-VS HOOK AND LOOP DISCS BETTER CHOICE FOR MULTI-PURPOSE APPLICATIONS FEATURES Slightly open structure High abrasive content Firm backing BENEFITS Resists loading and chunking Continuous cut rate on soft (e.g. aluminum) and hard materials (e.g. steels and nickel alloys) Low stretch TIER: BETTER GOOD BRAND: Norton Merit TRADENAME: STE-VS GD ABRASIVE: A/O A/O ATTACHMENT: Hook and Loop Hook and Loop SIZE (D) ABRASIVE GRIT STD. PKG. PART NO. PART NO. 2" Blank A/O C A/O M A/O VF " Blank A/O C A/O M A/O VF " Blank A/O C A/O M A/O VF /2" Blank A/O C A/O M A/O VF " Blank A/O C A/O M A/O VF " Blank A/O C A/O M A/O VF " Blank A/O C A/O M A/O VF " Blank A/O C A/O M A/O VF PAD SPINDLE OR MAX. 3M STD. PART DIAMETER HOLE SIZE RPM EQUIVALENT PKG. NO. BACK-UP PADS FOR HOOK AND LOOP DISCS 2 1/4 Steel Shank 23, /4 Steel Shank 20, /4 Steel Shank 18, / , / , M10 x , /2 5/ , /16-24 Male 10, /8-24 Male 10, / , /8-11 8, /8-11 6, /8-11 4, NORTON THE MUSCLE BEHIND THE MACHINE

8 Non-Woven High Strength Discs HIGH STRENGTH AND FASTCUT DISCS BETTER CHOICE FOR LIGHT DEBURRING AND FINISHING FEATURES Firm, durable web Tough, yet conformable Strong, smear-proof resin binders BENEFITS High resistance to tearing on burrs and sharp edges Can be ganged together and used as a wheel Produce light satin finishes Applications include rust/oxide or coating removal, pipe ID and OD polishing, casting cleaning, highlighting (antiquing), contaminant removal, removal of handling marks, gasket removal, cleaning and blending of surface imperfections, prepping prior to soldering, removal of filling materials, cleaning angles and odd shapes BETTER TIER: BRAND: Norton TRADENAME: HIGH STRENGTH ABRASIVE: Aluminum Oxide SIZE (D X H) ABRASIVE GRIT MAX. RPM STD. PKG. PART NO. 6 x 1/4 A/O VF 4, x 1/2 A/O M 4, A/O VF x 1/2 A/O M 3, A/O VF x 1-1/4 A/O VF 1, FITS FOR DISC FOR DISC SHANK OVERALL WASHER STD. HOLE WIDTH DIAMETER DIAMETER LENGTH DIAMETER PKG. PART NO. MANDREL ASSEMBLIES FOR USING DISCS ON EDGE 1/4" 1/2 (Standard) up to 6" 1/4" 2-1/2" 1-1/2" /2" 1/2 (Standard) Up to 8" 1/4" 3-1/8" 2-1/4"